OpenTechnical

OT-2026-000077439

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000077439) never changes.

Identity and time

Publication numberOT-2026-000077439 · never reused
Internal UUID01a0ae94-f509-73b1-9a54-419b21614391 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077439
StatusPUBLIC

Content hashes

Canonical text4a13956799c0eeffbfb399d8c8901e33027973770e6829464f5d903f4e3583ab
Markdownacda7277757b93d9a9fba6e8300446d5ceccb3b3ded50de9895b90bcf9ffecc0
PDF
Publication page2369213d5256710f24af687020bffec44dc8e9148fe4bd3b5d53ce2c5d7d3077
Manifest1f99ad8f6f31713df0131e3cab6b1173f5d4b4dd353098f71fdd684d5a522393

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturevubHXfkUuKcvZbY9/sPQHgTRcchrNXnTwB2aopRM6cNVXo4YZ+GAZz/52sAGy4PxzgcxBDyw3T4TVdcgNnzmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:07.427066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077439
observed 2369213d5256710f24af687020bffec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.405268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077439/manifest.json
observed 1f99ad8f6f31713df0131e3cab6b1173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.384252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077439/publication.md
observed acda7277757b93d9a9fba6e8300446d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.363640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077439/publication.txt
observed 4a13956799c0eeffbfb399d8c8901e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.